?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=PEMANTAUAN+AKTIVITAS+GUNUNGAPI+LOKON+MENGGUNAKAN+METODE+HVSR+(Horizontal+To+Vertical+Spectra+Ratio)%0D%0APERIODE+AGUSTUS%E2%80%93NOVEMBER+2014&rft.creator=ANNISA+EKA+PUTRI%2C+1115051007&rft.subject=Teknologi+(General)&rft.subject=Teknik+Pertambangan.+metalurgi&rft.description=Gunungapi+Lokon+merupakan+salah+satu+Gunungapi+aktif+di+Indonesia+yang+berada+di+Tomohon%2C+Provinsi+Sulawesi+Utara.+Penelitian+ini+bertujuan+untuk+mengetahui+variasi+temporal+frekuensi+HVSR+yang+dapat+dijadikan+indikator+untuk+mengestimasi+erupsi+Gunungapi+Lokon+pada+periode+Agustus-November+2014.+Metode+HVSR+(Horizontal+to+Vertical+Spectra+Ratio)+diharapkan+bisa+menjadi+alternatif+baru+untuk+memonitoring+aktivitas+vulkanik+gunungapi+yang+didasarkan+pada+karakteristik+frekuensi+resonansi+yang+diperoleh+dari+kurva+HVSR.+Dari+hasil+penelitian+ini%2C+erupsi+Gunungapi+Lokon+ditandai+dengan+munculnya+nilai+frekuensi+(fo)+HVSR+medium+sebesar+4%2C13+Hz-4%2C23+Hz%2C+25+hari+sebelum+erupsi%2C+tepatnya+pada+tanggal+18+Agustus+2014+sampai+16+September+2014.+Munculnya+nilai+frekuensi+(fo)+medium+sebelum+erupsi+menandakan+bahwa+adanya+proses+naiknya+magma+menuju+permukaan+sebagai+realisasi+akan+terjadinya+erupsi+Gunungapi+Lokon+pada+tanggal+13+September+2014.+Erupsi+Gunungapi+Lokon+tanggal+13+September+2014%2C+menunjukkan+adanya+respon+yang+sangat+cepat+pada+sistem+vulkanik+(magmatik+dan+hidrotermal)+Gunungapi+Lokon%2C+yaitu+peningkatan+tekanan+secara+tiba-tiba+yang+diduga+merupakan+kontribusi+dari+gempa+tektonik+pada+tanggal+10+September+2014+sehingga+mempengaruhi+keseimbangan+kegiatan+vulkanik+di+Gunungapi+Lokon.+Adanya+peningkatan+jumlah+gempa+vulkanik%2C+amplituda+tremor+dan+gempa+tektonik+mengindikasikan+adanya+peningkatan+tekanan+secara+tiba-tiba+pada+Gunungapi+Lokon+sehingga+mempengaruhi+nilai+frekuensi+HVSR+yang+ditandai+dengan+munculnya+nilai+frekuensi+(fo)+medium+sebelum+erupsi.+Namun%2C+tidak+semua+perubahan+frekuensi+HVSR+berkaitan+dengan+perubahan+aktivitas+vulkanik.%0D%0AKata+kunci+%3A+Metode+HVSR%2C+Frekuensi+fundamental+(fo)%2C+Gunungapi+Lokon%0D%0A%0D%0AMONITORING+OF+LOKON+VOLCANIC+ACTIVITY+USING%0D%0AHVSR+(HORIZONTAL+TO+VERTICAL+SPECTRA+RATIO+)+METHOD%0D%0AAUGUST-SEPTEMBER+2014%0D%0A%0D%0A%0D%0ALokon+volcanic+is+one+of+active+volcanic+in+Indonesia+that+is+in+Tomohon%2C+the+province+of+north+Sulawesi.+This+study+attempts+to+obtain+information+regarding+temporal+frequency+HVSR+which+can+be+used+indicators+to+estimate+eruption+gunungapi+lokon+in+the+period+agustus-november+2014.+A+method+of+HVSR+(Horizontal+To+Vertical+Spectra+Ratio)+expected+to+be+new+alternative+for+monitoring+volcanic+activity+based+on+characteristic+frequency+resonance+obtained+from+a+curve+HVSR.+Of+the+result+of+this+research%2C+eruption+lokon+volcanic+characterized+by+the+appearance+of+value+frequency+(f0)+over+medium+HVSR+of+4%2C13+hz-4%2C23+hz%2C25+days+before+eruption%2C+precisely+on+18+august+2014+to+16th+september+2014.+The+emergence+of+value+frequency+(f0)+over+medium+before+eruption+indicates+that+the+process+of+the+increasing+magma+surfacing+as+the+realization+of+the+of+eruption+Lokon+volcanic+on+the+13th+september+2014.+Eruption+Lokon+volcanic+the+13th+september+2014%2C+shows+that+there+has+been+a+very+fast+response+on+a+volcanic+system+(magmatik+and+hidrotermal)+Lokon+volcanic%2C+it+is+increase+the+pressure+of+a+sudden+suspected+contributed+from+earthquake+tectonics+on+the+10+september+2014+so+as+to+affect+balance+activities+in+Lokon+volcanic+mountain.+An+increase+of+volcanic+earthquake%2C+amplituda+tremor+and+earthquake+tectonics+indicated+to+an+increase+of+pressure+suddenly+in+Lokon+volcanic+so+as+to+affect+value+frequency+HVSR+characterized+by+the+appearance+of+value+frequency+(f0)over+before+eruption+medium.+But%2C+not+all+of+the+changes+frequency+HVSR+related+to+a+change+Lokon+volcanic+activity+the+13th+september+2014%2C+shows+that+there+has+been+a+very+fast+response+on+a+system+volcanic+(magmatik+and+hidrotermal)+Lokon+volcanic+is+to+increase+the+pressure+of+a+sudden+suspected+contributed+from+earthquake+tectonics+on+the+10+september+2014+so+as+to+affect+balance+activities+in+Lokon+volcanic.+An+increase+in+the+number+of+volcanic+earthquake%2C+amplituda+tremor+and+earthquake+tectonics+indicated+to+an+increase+of+pressure+suddenly+in+Lokon+volcanic+so+as+to+affect+value+frequency+HVSR+characterized+by+the+appearance+of+value+frequency+(f0)+over+medium+before+eruption.+But%2C+not+all+of+the+changes+frequency+HVSR+be+related+to+a+change+volcanic+activity.%0D%0AKeyword%3A+HVSR+Method%2C+Fundamental+Frequency(F0)%2C+Lokon+Volcanic+Mountain&rft.publisher=Fakultas+Teknik&rft.date=2016-01-07&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F16773%2F99%2FABSTRAK.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F16773%2F3%2FCOVER%2520DALAM.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac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